1 Welcome – Thanks for joining this ITRC Training Class Green and Sustainable Remediation ITRC Technical & Regulatory Guidance Document: Green and Sustainable Remediation: A Practical Framework (GSR-2, 2011) Sponsored by: Interstate Technology and Regulatory Council (www.itrcweb.org) Hosted by: US EPA Clean Up Information Network (www.cluin.org) 2 Housekeeping Course time is 2¼ hours Question & Answer breaks • Phone - unmute #6 to ask question out loud; *6 mute • Simulcast - ? icon at top to type in a question Turn off any pop-up blockers Download slides as PPT or PDF Go to slide 1 Move back 1 slide Move forward 1 slide Move through slides • Arrow icons at top of screen • List of slides on left Feedback form available from last slide – please complete before leaving This event is being recorded Go to last slide Go to seminar homepage Submit comment or question Report technical problems Copyright 2013 Interstate Technology & Regulatory Council, 50 F Street, NW, Suite 350, Washington, DC 20001 3 ITRC Disclaimer This material was sponsored by an agency of the United States Government. 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ITRC, ERIS, and ECOS do not endorse or recommend the use of specific technology or technology provider through ITRC Products. 4 ITRC (www.itrcweb.org) – Shaping the Future of Regulatory Acceptance Host organization Network • State regulators • • • • All 50 states, PR, DC • Federal partners DOE DOD EPA • ITRC Industry Affiliates Program Wide variety of topics Technologies Approaches Contaminants Sites Products • Technical and regulatory guidance documents • Internet-based and classroom training • Academia • Community stakeholders 5 ITRC Course Topics Planned for 2013 – More information at www.itrcweb.org Popular courses from 2012 New in 2013 Environmental Molecular Decision Framework for Applying Attenuation Processes to Metals and Radionuclides Diagnostics Development of Performance Specifications Biochemical Reactors for for Solidification/Stabilization Mining-Influenced Water Green and Sustainable Remediation Groundwater Statistics and Integrated DNAPL Site Strategy Monitoring Compliance LNAPL 1: An Improved Understanding of LNAPL Behavior in the Subsurface 2-Day Classroom Training on LNAPL 2: LNAPL Characterization and Recoverability - Improved Analysis Light Nonaqueous-Phase LNAPL 3: Evaluating LNAPL Remedial Liquids (LNAPLs) Technologies for Achieving Project Goals April 9-10 in King of Mine Waste Treatment Technology Selection Prussia, PA Project Risk Management for Site Remediation June 4-5 in Springfield, IL Use and Measurement of Mass Flux and Mass October 1-2 in Garden Discharge Grove, CA Use of Risk Assessment in Management of Contaminated Sites Soil Sampling and Decision Making Using Incremental Sampling Methodology (2 parts) Bioavailability Considerations for Contaminated Sediment Sites Biofuels: Release Prevention, Environmental Behavior, and Remediation 6 Meet the ITRC Trainers Rebecca Bourdon Minnesota Pollution Control Agency 651-757-2240 rebecca.bourdon @state.mn.us Nick Petruzzi Cox-Colvin & Associates, Inc. 614-526-2040 nick_petruzzi @coxcolvin.com Karin Holland Haley & Aldrich, Inc. 619-285-7133 Kholland @haleyaldrich.com Elisabeth Hawley ARCADIS 510-596-9654 elisabeth.hawley @arcadis-us.com Stephanie Fiorenza BP America 281-366-7484 Stephanie.fiorenza @bp.com 7 Why Green and Sustainable Remediation (GSR)? Improved stakeholder engagement • Community benefited from trails installed on new cap cover to river • Educational opportunities • Collaboration with local college Simplified, reproducible results • Quantify desired metrics Reduced impacts • Emissions/ greenhouse gases (GHGs) • Energy/Water/Waste • Ecosystems 8 GSR Training Roadmap Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 9 ITRC's GSR Definition The site-specific employment of products, processes, technologies, and procedures that mitigate contaminant risk to receptors while making decisions that are cognizant of balancing community goals, economic impacts, and net environmental effects. 10 Green Remediation Reducing environmental impacts of common investigation and remediation activities 11 Green & Sustainable Remediation Environmental Economic Social 12 GSR Reality 13 ITRC GSR Products Overview Document Green and Sustainable Remediation: State of the Science and Practice • (GSR-1, 2011) Technical & Regulatory Guidance Document: Green and Sustainable Remediation: A Practical Framework • (GSR-2, 2011) 14 User Benefits of GSR Products Expected User Group Intended Use User Benefits Regulators Integrate GSR into site management decisions Better site decisions Protective solutions Consultants Integrate GSR into site recommendations Guide technology selection Better site decisions Better value for clients Regulatory partnership Site Owners Integrate GSR into site considerations Guide technology selection Better site decisions Possible savings Academia Provide students with latest information Better equip students Community Stakeholders Provide trusted resource for decision-makers Contribute information to achieve the best remediation 15 Snapshot Simple GSR Evaluation Petroleum Surface Soil Excavation Site GHG = greenhouse gas Option 1 Option 2 1.5 ft. excavation w/ 6 in. excavation w/ gravel replacement concrete cap Option 3 6 in. excavation w/ asphalt cap Environmental 3 tons CO2 4 tons GHG 2.4 tons CO2 11 tons GHG 2.4 tons CO2 >11 tons GHG Economic $16,723 $21,538 $15,623 Social No aesthetic change Positive aesthetic change Positive aesthetic change 16 GSR in Your Organization Framework GSR Policy/Guidance integration or adaptation How GSR fits into your agency/corporate strategic plan 17 Learn to Apply GSR Concepts How to identify potential benefits? How to perform a GSR evaluation? How are similar programs applying GSR? When to incorporate GSR? Why conduct a GSR evaluation? Which tools are appropriate for your sites? GSR Answers How to apply this to your projects? 18 GSR Framework GSR Planning Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, Evaluation Level, Boundaries Document GSR Efforts + GSR Implementation Identifying GSR Options Performing GSR Evaluations Implementing GSR Approaches Monitoring, Tracking, and Documentation Investigation Closeout Remedy Optimization Remedy Evaluation and Selection Remedy Design Remedy Operation, Maintenance, Construction and Monitoring = GSR Framework 19 GSR Framework Flexible and Scalable Flexibility similar to that found in conceptual remedial designs Scalable to the size and level-of-detail of the project Example: UST site vs. Superfund site 20 GSR Training Roadmap Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 21 Plan and Incorporate GSR into Your Project GSR 22 GSR Planning Tech Reg Section 2 23 GSR Planning Evaluate/Update Conceptual Site Model (CSM) Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, GSR Evaluation Level, Boundaries Document GSR Efforts Evaluate and update as necessary Integrate relevant GSR information to reflect potential opportunities were GSR can be considered and implemented CSM similar to that discussed in ITRC Performance Based Environmental Management Document (RPO-7)* *http://www.itrcweb.org/Documents/RPO-7.pdf 24 GSR Planning Establish GSR Goals Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, GSR Evaluation Level, Boundaries Document GSR Efforts Site setting and circumstances GSR components EPA’s green remediation core elements* Drivers: regulatory guidance/policy, corporate directives, incentives Goals can relate to remediation and non-remediation activities *www.clu-in.org/greenremediation 25 GSR Planning Stakeholder Involvement Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, GSR Evaluation Level, Boundaries Document GSR Efforts Key consideration of sustainable remediation GSR stakeholders are typically a subset of the project stakeholders New stakeholders may be identified solely on GSR interest Engage at appropriate points during the cleanup project For GSR, stakeholder involvement should be more frequent or to a greater effort than required by regulatory program Includes GSR and non-GSR information 26 GSR Planning Stakeholder Involvement Examples Stakeholder involvement can be interpreted and fulfilled in many different ways Remedy Construction Example: distribution of information by monthly newsletter Remedy Evaluation & Selection Example: interactive dialogue pertaining to limiting excavation 27 GSR Planning Select Metrics, GSR Evaluation Level, Boundaries Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, GSR Evaluation Level, Boundaries Document GSR Efforts Establish metric(s) for each GSR goal Consider boundary conditions, funding, contracts, schedule, experience Quantitative vs. qualitative metrics Some metrics identified in Table 4-1 of GSR Overview Document (GSR-1)* and SURF Metrics Toolbox** Select GSR Evaluation Level – three levels of detail/complexity *www.itrcweb.org/Documents/GSR-1.pdf **www.sustainableremediation.org/library 28 GSR Planning Metric Examples from Part of Table 4-1 in GSR-1 Economic Community Waste Water Land Metric Fresh Water Consumption Biodiversity Metric Units gallons Metric Description volume of fresh water used species count assessment of impacts on biodiversity measure of use of renewable energy tons of GHGs emitted Renewable Energy Use Greenhouse Gas Emissions gallons; BTU; kWh Material Use Kg Employment jobs created Capital Costs $ Community Impacts Cultural Resources subjective CO2 equivalents emitted subjective kg of total material use, or mass by category of material number of jobs created as a result of implementing remedy capital costs of project impacts of project on the community impacts of project on cultural resources 29 GSR Planning GSR Evaluation Levels LEVEL 3 BMPs + Advanced Evaluation LEVEL 2 BMPs + Simple Evaluation LEVEL 1 Best Management Practices (BMPs) 30 GSR Planning Document GSR Efforts Evaluate/Update Conceptual Site Model Establish GSR Goals Stakeholder Involvement Select Metrics, GSR Evaluation Level, Boundaries Document GSR Efforts Critical to GSR goals and stakeholder communication Planning and field work records, GSR evaluation reports, progress updates, etc. Document assumptions, resources, tools, goals, metrics, constraints/barriers, etc. Phase-specific examples in Tech Reg Section 3 31 GSR Planning Brownfield Investigation Phase Example Stakeholder Involvement Conduct kick-off meeting Preliminary greenspace plan Establish GSR Goals Reduce investigation derived waste and fuel consumption; minimize greenspace disturbance Select Metrics, GSR Evaluation Levels, Boundaries Gallons of purge water, drums of soil cuttings, travel miles; Level 2 evaluation; onsite + travel Execution using GSR Implementation Process Evaluate/Update Conceptual Site Model Update CSM (sample data, rail spur, nearby recycler, current greenspace) Document GSR Efforts BMPs, field logs, meeting minutes, GSR evaluation report 32 GSR Training Roadmap Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 33 GSR Implementation Tech/Reg Section 3 Identifies how GSR approaches may be Selected Implemented Evaluated Covers each remediation phase Provides a flexible approach 34 Remediation Phases Investigation (Section 3.1) Remedy Evaluation and Selection (Section 3.2) Remedy Design (Section 3.3) Remedy Construction (Section 3.4) Operation, Maintenance, and Monitoring (Section 3.5) Remedy Optimization (Section 3.6) Closeout (Section 3.7) 35 How Does GSR Fit In? Investigation • GSR application during planning Remedy Evaluation and Selection • Ideal point for incorporating GSR Remedy Design Remedy Construction Operation, Maintenance and Monitoring Remedy Optimization Closeout • Integration of GSR into selected remedy • GSR integral part of remedy • Cumulative benefits resulting from GSR • Sustainability performance improvement for existing remedies • Support for site reuse 36 Relationships with Existing Programs ITRC GSR-2: Table 3.1 (excerpt) Can be applied to any federal or state program Remedial Phase RCRA CERCLA State Programs LUST RCRA Facility Investigation Remedial Investigation Site Assessment Remedial Investigation; Secondary Investigation Remedy Evaluation and Selection Corrective Measures Study and Statement of Basis Feasibility Study, Proposed Plan, and Record of Decision Remedial Alternative Evaluation Conceptual Corrective Action Design; Corrective Action Plan Remedy Design Corrective Measures Design/Corrective Measures Implementation Work Plan; Interim Measure Remedial Design Remedial Action Plan; Interim Source Removal Plan Focused Investigation, Detailed Corrective Action Design Investigation 37 Approach Consistent for each phase Provides a methodology for 38 GSR Options Sustainable BMP Examples Minimize impacts to natural resources Engage stakeholders Identify recycling/ reuse options Maximize renewable energy use Use local labor and resources Reuse unimpacted soil 39 GSR Options Remedy Construction Example Environmental - Minimize idling - Control/mitigate dust and odors - Conduct air monitoring - Set up an on-site recycling program - Minimize fuel/energy use ITRC GSR-2: Table 3.7 Social - Implement community notifications - Conduct community meetings - Post information on project progress - Maximize use of local businesses - Sequence construction activities Economic - Consider economic benefits to community 40 GSR Evaluation Levels LEVEL 3 BMPs + Advanced Evaluation LEVEL 2 BMPs + Simple Evaluation LEVEL 1 Best Management Practices (BMPs) 41 GSR Evaluation Level 1 Example Operation, maintenance, and monitoring example BMPs Select local contractors Minimize mobilizations Engage the local community Use renewable energy Reduce noise, especially beyond site boundary Implement land revitalization opportunities 42 GSR Evaluation Level 2 Example Hypothetical Remedy Evaluation and Selection Performing GR evaluations Metric Greenhouse gases Solid waste Sensitive species Community disturbance Community acceptance Cost In Situ Thermal Bioremediation In Situ Chemical Oxidation 43 GSR Evaluation Level 3 Example Hypothetical Investigation Metric Approach 1 Approach 2 Carbon dioxide 2 metric tons 1.5 metric tons Investigation Derived Waste 1,750 pounds 1,230 pounds Waste Water 500 gallons 390 gallons Local Economy Benefit $62,000 $35,000 Cost $120,000 $85,000 44 GSR Implementation Phase-specific Incorporate GSR options and evaluation results Ensure team understands GSR elements Estimate benefits Involve stakeholders 45 GSR Implementation Closeout Example Implement GSR evaluation recommendations Incorporate GSR aspects into • Procurement documents • Field work plans Ensure contractors understand GSR practices 46 GSR Implementation Benefits Remedy Optimization Example VOC concentrations to an air stripper dropped significantly Unit downsized from 20 to 10 HP motor 1.7M KWh saved! GHG emissions reduced by 1,080 metric tons! $168K cost savings! 47 Tracking and Documentation Ensures transparency Documents GSR practices Identifies sustainability benefits Tracks successes and lessons learned Incorporated in regulatory reports 48 Documentation BMPs selected Evaluation level performed GSR implementation Stakeholder collaboration efforts Monitoring and tracking results Data collected 49 GSR Implementation Summary Consistent methodology for 50 GSR Implementation Example Remedy Evaluation and Selection - In situ/on-site remedies - Renewable energy - Waste minimization e.g., Level 3 Remedy that - Reduces footprint - Acceptable to stakeholders - Achieves economic goals - Monitor GSR implementation - Communicate results 51 1st Question and Answer Session Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 52 GSR Training Roadmap Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 53 Before Selecting GSR Tools Set GSR Goals and Select Metrics Goals Metrics Example Goals Example Metrics Reduce emissions Greenhouse gases Air quality emissions Conserve natural resources Energy and water use Create habitat Ecological service value Improve community Traffic volume Resource consumption Jobs for local workers Tools 54 Before Selecting GSR Tools Evaluate Project Scope Stakeholders Values GSR Metrics Project leader Project efficiency Energy & cost savings Property value Land use Community group Safety and quality of life Traffic volume Site regulator Health and environment Air pollutant emissions Property owner Ecological habitat 55 Before Selecting GSR Tools Set Boundaries for GSR Evaluation On-Site Impacts System construction materials Land footprint Electricity used Off-Site Impacts Materials used Air pollution Fuel consumption Air pollution Traffic volume Extracted water Treated water discharge Construction materials Treatment media (carbon) 56 Tool Selection Considerations Consider • Site-specific GSR goals and metrics • Scope, budget, and purpose of GSR evaluation • Available site data • Type of remediation technologies • Regulatory cleanup program No certification or standard evaluation method ITRC team does not endorse any specific GSR tool 57 Tool Selection Wide Range of Available Tools Choose simplest tool that gets the job done BMPs (Level 1) are most often used Increasing Tool Complexity and Data Needs LEVEL 3 BMPs + Advanced Evaluation LEVEL 2 BMPs + Simple Evaluation LEVEL 1 Best Management Practices (BMPs) 58 Tool Selection Select the Right Level of Evaluation Level 1 BMPs Level 2 BMPs + Simple Level 3 BMPs + Advanced Description • Best practices (e.g., no idling of truck engines at job site) • Qualitative ranking process • Quantitative analysis (e.g., footprint analysis, Net Environmental Benefits Analysis) Pros • Simple • Evaluates multiple metrics • Quantifies multiple metrics • Easy to implement • Simple calculations only (lb CO2/lb contaminant treated) • Track impacts from cradle to cradle • Does not evaluate trade-offs • Requires scoring method • Requires scoring method • Cost-effective Cons • More costly, timeconsuming • More data required 59 GSR Tools BMPs (Level 1) ASTM, EPA, SURF, USACE EPA fact sheets • • • • • • • Introduction to BMPs Site investigation Excavation Pump-and-treat Bioremediation SVE/air sparging Clean fuel and emission technologies • Renewable energy http://www.clu-in.org/greenremediation/ 60 GSR Tools Simple Tools (Level 2) California Department of Toxic Substances Control Green Remediation Evaluation Matrix (GREM) Metrics Option 1 - SVE Option 2 - MNA Yes/No Score* Yes/No Score* Relative Importance Air emissions Yes 2 Yes 1 1 Solid waste Yes 2 Yes 1 1 Wastewater Yes 1 Yes 1 1 Noise/odor/vibration Yes 3 Yes 1 1 Land stagnation Yes 1 Yes 3 2 TOTAL 9 7 WEIGHTED TOTAL 10 10 *Scale of 1 to 3 where 1 is favorable (more green or sustainable) in this example http://www.dtsc.ca.gov/omf/grn_remediation.cfm 61 GSR Tools Advanced Tools (Level 3) Carbon footprint calculators Remedy footprint tools • Air Force Sustainable Remediation Tool (SRTTM) • Navy and Army Corps of Engineers SiteWiseTM • Other tools Net environmental benefits analysis tools Life-cycle assessment (LCA) tools 62 GSR Tools Sustainable Remediation Tool (SRT)TM Use for remedy selection and optimization Two choices for level of detail Eight technologies Measures air emissions, greenhouse gas emissions, energy, cost, accident risk, change in resource use Stakeholder scoring matrix http://www.afcee.af.mil/resources/technologytransfer/programsandinitiatives/ sustainableremediation/srt/index.asp 63 GSR Tools SRTTM General Inputs Plume size Contaminant concentrations Aquifer properties http://www.afcee.af.mil/resources/technologytransfer/programsandinitiatives/ sustainableremediation/srt/index.asp 64 GSR Tools SRTTM Results Technologies Metrics http://www.afcee.af.mil/resources/technologytransfer/programsandinitiatives/ sustainableremediation/srt/index.asp 65 GSR Tools SiteWiseTM Spreadsheet for each stage of remedial action • • • • Remedial investigation Remedy construction Remedy operation Long-term monitoring Activities in each stage • • • • Material production Transportation Equipment used Waste handling http://www.ert2.org/t2gsrportal/SiteWise.aspx 66 GSR Tools SiteWiseTM General Inputs Example: Materials Production Well materials Treatment chemicals Granular activated carbon Construction materials http://www.ert2.org/t2gsrportal/SiteWise.aspx Item 1, Item 2 GSR Tools SiteWiseTM Results Remedial Alternative Emissions (Metric Tons) Energy (MMBTU) Alternative 1 Alternative 3 Alternative 4 Alternative 5 Alternative 6 Comparative graph generated for each metric http://www.ert2.org/t2gsr portal/SiteWise.aspx 3.05 3.05 3.05 0.22 0.22 GHGs 300 140 80 380 550 NOx SOx 0 0 0 6.0E-05 6.0E-05 0 0 0 1.0E-06 1.0E-06 Accident Risk Injury 0 0 0 3.14E-06 3.14E-06 GHG Emissions 600 Metric Tons 67 400 200 0 1 3 4 5 Remedial Alternative 6 68 GSR Tools Other Remedy Footprint Tools Other footprint tools and methodologies • • • • • • Private industry/consulting firms Universities States EPA tools DOE Other organizations Potential benefits • Technology modules • Simplified tracking for a portfolio of sites • Biofuels, renewable energy options ITRC GSR-1: Appendix A 69 GSR Tools Life Cycle Assessment (LCA) Process LCA Process Example tools • SimaPro® • GaBi Can be used to evaluate wide range of metrics Draw from variety of emissions inventory databases Provide different methods for impact assessment Define goals, scope and functional unit Establish metrics and system boundaries Compile project inventory Assess impacts Analyze sensitivity Interpret and report results ITRC GSR-2 Section 4 and SURF, 2011 70 GSR Tools Weighting and Scoring Methods Some tools give you an overall GSR score Decide relative importance of each GSR metric Normalize to common units and range • Common denominator (e.g., $) • Common range (e.g., 1 to 100) based on min/max or mean/ standard deviation No “perfect” approach Tool Output 71 GSR Tools Best Practices Use BMPs Select the simplest evaluation needed for the job Involve stakeholders in process Evaluate the uncertainty/sensitivity of results Document GSR evaluation process 72 GSR Training Roadmap Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology Q&A #1 GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up Q&A #2 73 Case Studies Application of Green & Sustainable Remediation to sites Examples with different • • • • GSR levels Remediation phases Metrics Regulatory programs Environmental Economic Social 74 Former Refinery Site (Level 1) Overview Pre-GSR: no formal evaluation for selection of optimization measures GSR scope: applied during Remedy Optimization GSR metrics • Energy consumption • Ecological diversity • Community benefits ITRC GSR-2: Appendix C 75 Former Refinery Site (Level 1) Site Remediation Setting Superfund, US EPA Region 2 and NYS DEC Site type: Former Refinery Hydrocarbon impacted groundwater Remediation driver • River downgradient Existing remedy • Chemical treatment of extracted groundwater Optimized remedy • Constructed wetland for treatment of extracted groundwater Vertical Flow Wetland 76 Former Refinery Site (Level 1) Existing Conditions Planned Restoration Conditions 77 Former Refinery Site (Level 1) Significant GSR Elements Environmental • In situ treatment via constructed wetland • Biodiversity • Reduced chemical use and energy consumption Social • Community access Bird watching stations and hiking trail • Education Environmental center with state college Economic • Cost savings 78 Former Refinery Site (Level 1) Summary Benefits of GSR approach • Wetland reduced treatment chemical use and energy consumption and increased biodiversity • Communication between site owner and community improved through meetings, website, and newsletters • Better connection to natural environment • Improved educational opportunities Challenge to incorporating GSR • Regulatory – changing a record of decision (ROD) remedy through an explanation of significant difference (ESD) rather than a ROD amendment Lessons learned • Communication with stakeholders is key to successful outcome 79 RCRA Site (Level 2) Overview Evaluation method • Qualitative and quantitative during remedy selection • Professional judgment and BMPs during all phases GSR scope • Applied from Site Assessment through Remedy Selection, Design and Construction GSR metrics • Carbon dioxide (CO2) emissions • Waste minimization and reuse • Consumption of resources • Community benefits • Corporate sustainability goals 80 RCRA Site (Level 2) Site Remediation Setting State RCRA program, confidential location Permeable sand and glacial outwash with glacial till near surface 39 volatile and semivolatile organic compounds (VOCs) + (SVOCs) in subsurface soil and perched groundwater Remediation driver • Sole source aquifer Remedy selected • Source excavation of 70,000 tons Other remedies considered • Ex situ thermal • In situ electrical resistive heating (ERH) and hot spot excavation RCRA Site (Level 2) Significant GSR Elements Significant GSR Elements Utilized Environmental • • • • Triad for assessment Efficient trip routing No idling Reduced CO2 emissions Social • Communication • Reduced nuisance Economic • Time to completion 6300 CO2 Emissions (ton) 81 5850 500 Excavation Ex situ Thermal In situ ERH & Excavation Potential Remedial Alternatives 82 RCRA Site (Level 2) Summary Benefits of GSR approach • Reduced energy consumption and CO2 emissions • Positive relations with stakeholders Challenges to implementation of GSR • Selection of an appropriate GSR evaluation approach • Weighting of metrics • Lack of incentives and recognition for facility Lessons learned • Clear communication and documentation key • Construction worker/contractor understanding of GSR benefits may take time 83 Brownfield Site (Level 3) Overview Evaluation method: SiteWise™ and Sustainable Remediation Tools™ (SRT™) GSR scope: applied during Site Assessment and Remedy Selection GSR metrics: energy consumption, air emissions (including GHG), water consumption, accident risk, cost savings GSR boundaries: both tools account for material manufacturing and site impacts Restored Wetlands High Point Viewing Area Pedestrian Bridge connecting to North Camden Picnic Grove And Picnic Lawn Softball, Basketball and Playgrounds Multi-use Trails and 200-slip Overlook Marina s Public Library/Community Center Restaurant & Marina Services 18-Hole Miniature Golf Course Source: Cooper’s Ferry Development Corp Multi-use Sports Field 84 Brownfield Site (Level 3) Site Remediation Setting NJDEP Brownfield Site Former Landfill - chlorinated benzenes impacting soil and groundwater Remediation Driver: Redevelopment Interim Remedy Selected: Excavation Other Remedies Considered: in situ chemical oxidation (ISCO), in situ thermal remediation (ISTR) Landfill waste Gray/black clay Silt with sand Medium-fine sand Red/brown clay 85 Brownfield Site (Level 3) Significant GSR Elements Environmental • Triad - Membrane Interface Probe • Biofuels • Footprint/Tool Comparison Social • Revitalize blighted neighborhood • Reduce accident risk Economic • Leverage public/private investment for future redevelopment 86 Brownfield Site (Level 3) SiteWise™ Output GHG Emissions Total energy Used Water Consumption NOx Emissions metric tons MMBTU gallons metric tons Consumables 108.18 1.00E+03 NA NA NA TransportationPersonnel 19.35 2.20E+02 NA 3.30E+01 6.90E+00 1.60E+00 1.20E-04 8.30E-03 TransportationEquipment 0 0.00E+00 NA 0.00E+00 0.00E+00 0.00E+00 0.00E+00 0.00E+00 Equipment Use and Misc 2,856.43 5.70E+04 2.80E+06 4.10E+00 1.90E+01 9.90E-04 1.60E-05 7.00E-03 0.71 1.70E+01 NA 7.60E-04 1.80E-04 1.10E-04 1.90E-06 3.90E-04 2,984.67 5.81E+04 2.80E+06 3.69E+01 2.63E+01 1.57E+00 1.38E-04 1.56E-02 Activities Residual Handling Total Sustainable Remediation 2011, UMASS Amherst SOx Emissions PM10 Emissions Accident Accident Risk Risk Injury Fatality metric tons metric tons NA NA NA 87 Brownfield Site (Level 3) Summary Benefits of GSR approach • Triad process expedited investigation and redevelopment, improved remediation • Community institutions were strengthened • Air emissions (including GHG) were reduced • Project catalyzed neighborhood revitalization and job creation will reduce poverty Challenge to implementing GSR • Weighting social, economic and environmental metrics was difficult Lessons learned • Tool selection depends on amount of information available and technologies being evaluated 88 Key Lessons from Case Studies Flexibility: GSR process can be applied to a variety of sites, remediation phases and regulatory programs Communication: Communication with stakeholders is critical to successful application of GSR Assumptions: Because evaluation methods are new, users must understand the assumptions of the tools being used Holistic: This holistic approach will minimize a project’s life cycle impacts 89 GSR Training Wrap-Up Introduction (Section 1 Tech Reg) • Definitions • GSR Intent and Benefits GSR Framework GSR Planning (Section 2 Tech Reg) • Common Considerations • Relevant GSR Questions GSR Implementation (Section 3 Tech Reg) • Lifecycle Phase Approach • Consistent Methodology GSR Tools (Section 4 Tech Reg) • Choosing the right tool • Examples of BMPs, Simple, and Advanced Tools Case Studies (Appendix C Tech Reg) Training Wrap-Up 90 GSR Maturation Environmental Environmental Economic Environmental Social Economic Theory Social Present Economic Social GSR Potential ITRC GSR-2: Figure 1-2 Adapted from International Union for Conservation of Nature, 2006 91 Remedial Industry GSR Growth Regulatory Recommended GSR Guidance User-Defined Voluntary GSR Considerations Policy Discussion 92 Relationship to Other GSR Efforts Information clearinghouse, Core Elements, fact sheets, best management practices, standard guide Detailed information specific to metrics, framework, and life-cycle assessment White papers, BMPs, and incentives Sustainable Remediation ToolTM, SiteWiseTM Tool, Fact Sheets, Case Studies Practical guidance with a framework, metrics and tools for remedial practitioners 93 Concluding Statements Make the ITRC GSR Framework your own GSR potential is limitless Top-down or bottom-up, integration is possible Share your successes! 94 Thank You for Participating 2nd question and answer break Links to additional resources • http://www.clu-in.org/conf/itrc/gsr/resource.cfm Feedback form – please complete • http://www.clu-in.org/conf/itrc/gsr/feedback.cfm Need confirmation of your participation today? 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